a.block_course_treelist_tooltip span {
	display:none; 
	padding:2px 3px; 
	margin-left:120px;
	margin-top:10px;
	width:130px;
}

a.block_course_treelist_tooltip span em {
	font-weight: bold;
	font-style: normal;
}

a.block_course_treelist_tooltip:hover span{
	display:inline; 
	position:absolute; 
	background:#ffffff; 
	border:5px solid #cccccc; 
	color:#6c6c6c;
}